<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格和列表</title>
    <style>
        table{
            width: 500px;
            border: 1px solid dimgray;
            border-collapse: collapse;
            text-align: center;
        }
        tr,td{
            border: 1px solid dimgray;
        }
        ul{
            width: 120px;
            height:120px ;
        }
        ul li{
            width: 90px;
            height: 30px;
        }

    </style>
</head>
<body>
<h3>学生信息查询</h3>
<table >
    <tr>
        <td>学号</td>
        <td>姓名</td>
        <td>性别</td>
        <td>手机号码</td>
        <td>操作</td>
    </tr>
    <tr>
        <td>121</td>
        <td>张三</td>
        <td>男</td>
        <td>123456789</td>
        <td><a href="">修改</a>&nbsp;&nbsp;<a href="">删除</a></td>
    </tr>
    <tr>
        <td>121</td>
        <td>张三</td>
        <td>男</td>
        <td>123456789</td>
        <td><a href="">修改</a>&nbsp;&nbsp;<a href="">删除</a></td>
    </tr>
    <tr>
        <td>122</td>
        <td>张三</td>
        <td>男</td>
        <td>123456789</td>
        <td><a href="">修改</a>&nbsp;&nbsp;<a href="">删除</a></td>
    </tr>
    <tr>
        <td>123</td>
        <td>张三</td>
        <td>男</td>
        <td>123456789</td>
        <td><a href="">修改</a>&nbsp;&nbsp;<a href="">删除</a></td>
    </tr>
</table>
<br>
<ul>
    <li>班级管理</li>
    <li>学生管理</li>
    <li>用户管理</li>
    <li>成绩管理</li>
</ul>

</body>
</html>